const b = require('./b')
// setTimeout(() => {
//   // delete require.cache[require.resolve('./index.js')]
//   const index = require('./index')
//   console.log(index.num, '====');
  
// }, 3000)
//  delete require.cache[require.resolve('./index.js')]
 const index = require('./index')
 console.log(index.obj.age, 'age====');
 console.log(index.num, 'num====');

